Flash & Supergirl Musical Crossover Reveals Original Song Titles, Covers

The big musical crossover between "Supergirl" and "The Flash" is just under two weeks away, and Entertainment Weekly has brought to light some new information about the mini-event, including some of the songs the cast will sing.

In "Duet," "Supergirl" star Melissa Benoist will lend her voice to "Moon River" for a solo performance. Additionally, a rendition of "Put a Little Love in Your Heart" will be performed as a dance number by Jeremy Jordan (Winn Schott) , Carlos Valdes (Cisco Ramon) and John Barrowman (Malcolm Merlyn), complete with choreography by "Glee’s" Zachary Woodlee.

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While there will be several covers, the musical crossover boasts two original songs: “Runnin’ Home to You” by "La La Land's" Benj Pasek and Justin Paul and a tap duet called "Super Friend" co-written by "Crazy Ex-Girlfriend's" Rachel Bloom. Of "Super Friend," "The Flash's" Grant Gustin said, "“It’s a goofy song and it’s very consistent with that style of 'Crazy Ex-Girlfriend.'"

“We were approached by Rachel Bloom, who reached out to us and she really wanted to write a song for us,” shared executive producer Andrew Kreisberg. “And Greg [Berlanti] had a relationship with Pasek and Paul, so we sat down with them — we hadn’t even seen 'La La Land' with them, but Greg had been such huge fans of theirs.”

RELATED: First Flash/Supergirl Musical Crossover Promo Debuts

“The Flash” and “Supergirl” musical crossover will start with a lead-in scene on the March 20 episode of “Supergirl,” and continue in full on the March 21 episode of “The Flash.” The episode will include musical numbers from “The Flash” stars Grant Gustin, Jesse L. Martin and Carlos Valdes; “Supergirl” stars Melissa Benoist and Jeremy Jordan; and “Legends of Tomorrow” co-star Victor Garber and “Arrow” regular John Barrowman; along with “Glee” alum Darren Criss as the Music Meister, the episode’s antagonist.

“Supergirl” – “Star-Crossed”

TERI HATCHER (“DESPERATE HOUSEWIVES,” “LOIS & CLARK: THE NEW ADVENTURES OF SUPERMAN”) AND KEVIN SORBO (“HERCULES”) GUEST STAR; DARREN CRISS (“GLEE”) MAKES HIS DEBUT AS THE MUSIC MEISTER – A new villain (guest star Teri Hatcher) comes to National City, putting Supergirl (Melissa Benoist) on high alert. Meanwhile, Winn’s (Jeremy Jordan) girlfriend, Lyra (guest star Tamzin Merchant), gets Winn in trouble with the law. Maggie (Floriana Lima) attempts to help Winn but old loyalties get in the way. The Music Meister (Darren Criss) attacks Supergirl. John Medlen directed the episode written by Katie Rose Rogers & Jess Kardos. Original airdate 3/20/2017.

“The Flash” – “Duet”:

DARREN CRISS (“GLEE”) GUEST STARS AS THE MUSIC MEISTER IN THE FLASH AND SUPERGIRL MUSICAL CROSSOVER – Barry (Grant Gustin) and team are surprised when Mon-El (guest star Chris Wood) and Hank Henshaw (guest star David Harewood) arrive on their Earth carrying a comatose Supergirl (guest star Melissa Benoist) who was whammied by the Music Meister (guest star Darren Criss). Unable to wake her up, they turn to Team Flash to save her. However, the Music Meister surprises The Flash and puts him in a similar coma, one that Team Flash can’t cure. Kara and Barry wake up without their powers in an alternate reality where life is like a musical and the only way to escape is by following the script, complete with singing and dancing, to the end. Dermott Downs directed the episode with story by Greg Berlanti & Andrew Kreisberg and teleplay by Aaron Helbing & Todd Helbing. Original airdate 3/21/2017.

Starring Grant Gustin as the Scarlet Speedster, “The Flash” airs Tuesdays at 8 pm ET/PT on The CW. The series also stars Jesse L. Martin, Tom Cavanagh, Carlos Valdes, Candice Patton, Danielle Panabaker, Keiynan Lonsdale and more. Starring Melissa Benoist as the Girl of Steel, “Supergirl” airs Mondays at 8 pm ET/PT on The CW. The series also stars Mehcad Brooks as Jimmy Olsen, Chyler Leigh as Alex Danvers, Jeremy Jordan as Winn Schott, David Harewood as Martian Manhunter and Chris Wood as Mon-El.

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